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玉米赤霉的化学分类学,特别涉及单端孢霉烯族毒素和玉米赤霉烯酮的产生

Chemotaxonomy of Gibberella zeae with special reference to production of trichothecenes and zearalenone.

作者信息

Ichinoe M, Kurata H, Sugiura Y, Ueno Y

出版信息

Appl Environ Microbiol. 1983 Dec;46(6):1364-9. doi: 10.1128/aem.46.6.1364-1369.1983.

Abstract

By adopting a single-spore isolation technique, 113 isolates of Gibberella zeae, the perfect stage of Fusarium graminearum, were isolated from rice stubbles in barley and wheat fields and tested for production of trichothecenes and zearalenone on rice grains. Of the isolates, 93% produced the trichothecenes, and they could be subdivided into two chemotaxonomic groups: nivalenol and fusarenon-X producers and deoxynivalenol and 3-acetyldeoxynivalenol producers. No cross production of these two types of trichothecenes was observed in these isolates. Zearalenone was detected in 68% of the isolates, but no clear relationship could be observed regarding its position with respect to the two chemotaxonomic groups.

摘要

采用单孢分离技术,从大麦和小麦田的稻茬中分离出113株禾谷镰刀菌(Fusarium graminearum)的有性阶段——玉蜀黍赤霉(Gibberella zeae),并检测其在稻谷上产单端孢霉烯族毒素和玉米赤霉烯酮的情况。在这些分离株中,93%产生单端孢霉烯族毒素,它们可细分为两个化学分类学组:产雪腐镰刀菌烯醇和镰刀菌烯酮-X的组以及产脱氧雪腐镰刀菌烯醇和3-乙酰脱氧雪腐镰刀菌烯醇的组。在这些分离株中未观察到这两种单端孢霉烯族毒素的交叉产生情况。68%的分离株检测到玉米赤霉烯酮,但未观察到其与两个化学分类学组之间的明确关系。

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